Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.9 on date 02-09-2022 and time 08:54:45 (UTC) in region 5 km NW Sellano (PG)

A magnitude ML 0.9 (quarry blast) earthquake occured in region: 5 km NW Sellano (PG), on

  • 02-09-2022 08:54:45 (UTC)
  • 02-09-2022 10:54:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9140, 12.8820 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sellano PG 5 1079 1079
Cerreto di Spoleto PG 11 1075 2154
Trevi PG 12 8469 10623
Monte Cavallo MC 13 145 10768
Campello sul Clitunno PG 13 2442 13210
Preci PG 13 724 13934
Foligno PG 15 57155 71089
Vallo di Nera PG 16 364 71453
Visso MC 17 1107 72560
Serravalle di Chienti MC 19 1070 73630
Montefalco PG 19 5679 79309
Spello PG 19 8645 87954
Valtopina PG 19 1398 89352
Castel Ritaldi PG 20 3278 92630

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
45 Km E of Perugia (166134 inhabitants)
73 Km W of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 0.9 2022-09-02
08:54:45		 42.9142 12.8815 1 2024-03-01
15:28:20		 Bollettino Sismico Italiano INGV 115626171
Reviewed
Rev100 		ML 0.9 2022-09-02
08:54:44		 42.9378 12.867 10 2022-09-02
09:00:56		 Sala Sismica INGV-Roma 109243121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-02 08:54:45 ± 0.18
Latitude 42.9142 ± 0.0117
Longitude 12.8815 ± 0.0123
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 115626171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1310
Semi-minor axis of confidence ellipse (meter) 960
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 1310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 0.31027
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 115626171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-22 12:03:09

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 109243121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-02 09:00:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-09-02T08:54:51.22 0.1 undecidable manual P 53 32.8449 91 -0.47 93
7F.SIB1.EHE. 2022-09-02T08:54:51.27 0.3 undecidable manual P 94 31.6461 91 -0.19 74
7F.SIB2.EHE. 2022-09-02T08:54:51.60 0.1 undecidable manual P 94 34.4433 91 -0.41 94
IV.MOMA.HNZ. 2022-09-02T08:54:50.87 0.3 undecidable manual P 244 28.1496 91 0.12 76
IV.MC2.EHZ. 2022-09-02T08:54:50.27 0.3 undecidable manual P 91 24.9528 91 0.15 76
IV.ASSB.HHE. 2022-09-02T08:54:49.45 0.1 undecidable manual P 308 23.0547 91 -0.28 98
IV.NRCA.HHZ. 2022-09-02T08:54:49.65 0.1 undecidable manual P 115 20.9679 91 0.34 98
IV.MML1.EHZ. 2022-09-02T08:54:49.58 0.1 undecidable manual P 18 23.2545 91 -0.2 100
IT.MTCL.HGE. 2022-09-02T08:54:48.14 0.1 undecidable manual P 47 13.0758 92 0.41 97
IV.CESI.HHZ. 2022-09-02T08:54:47.71 0.1 undecidable manual P 11 10.2786 93 0.54 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.5 0.000052587479999999996 0.1408 AML other m 2022-09-02T08:54:49.57
IV.CESI.HHN. ML:0.5 0.000059844405000000006 0.0768 AML other m 2022-09-02T08:54:49.94
IV.MML1.HNN. ML:1.1 0.00007944318999999999 0.3776 AML other m 2022-09-02T08:54:51.37
IV.MML1.HNE. ML:1.2 0.00010576962000000001 1.4304 AML other m 2022-09-02T08:54:51.28
IV.MML1.EHN. ML:0.6 0.00002981511 0.2048 AML other m 2022-09-02T08:54:53.23
IV.MML1.EHE. ML:0.7 0.000033537545000000005 0.1792 AML other m 2022-09-02T08:54:54.16
IV.MC2.EHN. ML:1.1 0.00008685365 0.1984 AML other m 2022-09-02T08:54:55.47
IV.MC2.EHE. ML:1.0 0.00007077858 0.2752 AML other m 2022-09-02T08:54:55.95
IV.CSP1.EHN. ML:0.9 0.000033678285000000005 0.1408 AML other m 2022-09-02T08:54:57.05
IV.CSP1.EHE. ML:0.9 0.00003974219 1.5968 AML other m 2022-09-02T08:54:57.13
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download